31834112 has 60 divisors (see below), whose sum is σ = 66844680. Its totient is φ = 15138816.

The previous prime is 31834111. The next prime is 31834129. The reversal of 31834112 is 21143813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31834111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475103 + ... + 475169.

It is an arithmetic number, because the mean of its divisors is an integer number (1114078).

Almost surely, 2^31834112 is an apocalyptic number.

31834112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31834112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33422340).

31834112 is an abundant number, since it is smaller than the sum of its proper divisors (35010568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31834112 is an frugal number, since it uses more digits than its factorization.

31834112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 98 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 31834112 is about 5642.1726311768. The cubic root of 31834112 is about 316.9306538596.

Adding to 31834112 its reverse (21143813), we get a palindrome (52977925).

The spelling of 31834112 in words is "thirty-one million, eight hundred thirty-four thousand, one hundred twelve".